λ
Sequence Observatory

3,853,439

37 × 104147
Deficient Odd Composite

Starting at 3,853,439, the Collatz iteration reaches 1 after 278 steps. The first transition is 11560318; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 37 × 104147
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 3,957,624
Proper Divisor Sum 104,185
Digit Sum / Digital Root 35 (Root: 8)
Adjacent Primes #3853429 ← → #3853469

Radix Representation

Decimal 3853439
Binary 1110101100110001111111 (22 bits)
Octal 0o16546177
Hexadecimal 0x3ACC7F

Divisor Catalog (4)

1 37 104,147 3,853,439

Collatz Trajectory (278 steps to reach 1)

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

3,853,439 11,560,318 5,780,159 17,340,478 8,670,239 26,010,718 13,005,359 39,016,078 19,508,039 58,524,118 29,262,059 87,786,178 43,893,089 131,679,268 65,839,634 32,919,817 98,759,452 49,379,726 24,689,863 74,069,590 37,034,795 111,104,386 55,552,193 166,656,580 83,328,290 41,664,145 124,992,436 62,496,218 31,248,109 93,744,328 46,872,164 23,436,082 11,718,041 35,154,124 17,577,062 8,788,531 26,365,594 13,182,797 39,548,392 19,774,196 9,887,098 4,943,549 14,830,648 7,415,324 3,707,662 1,853,831 5,561,494 2,780,747 8,342,242 4,171,121 12,513,364 6,256,682 3,128,341 9,385,024 4,692,512 2,346,256 1,173,128 586,564 293,282 146,641

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